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Luba_88 [7]
3 years ago
15

How do you find an inequality on a graph ?

Mathematics
1 answer:
Helga [31]3 years ago
3 0
There are three steps:<span>Rearrange the equation so "y" is on the left and everything else on the right.Plot the "y=" line (make it a solid line for y≤ or y≥, and a dashed line for y< or y>)<span>Shade above the line for a "greater than" (y> or y≥) or below the line for a "less than" (y< or y≤).</span></span>
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Determine whether the following examples of data are quantitative or qualitative. (a) The occupation of your neighbors. Answer:
gavmur [86]

Answer:

a) Qualitative

b) Qualitative

c) Quantitative

d) Quantitative

Step-by-step explanation:

A variable is quantitative if it assumes numerical values, for example 1,2,3.

If it assumes "labels", for example good or bad, it is qualitative.

(a) The occupation of your neighbors. Answer:

Labels. Teacher, trainer, athlete, ...

So it is qualitative

(b) The martial status of your coworkers. Answer:

Labels: Married, single,..

So it is qualitative

(c) Your college GPA. Answer:

Numeric, 2,3,...

So it is quantitative

(d) The amount of bacteria on a piece of moldy bread

Numeric, 0.5mm, etc

So it is quantitative

4 0
3 years ago
The concentration of a drug in the body decreases exponentially after a dosage is given. In one clinical study, adult subjects a
Yanka [14]

Answer:

Step-by-step explanation:

14 = 1000 e^{ k*1}

.014 = e^{k*1}

ln(.014) = k ln(e)

k = -4.268

~~~~~~~~~~~~~~~~~~

after 3 hrs

1000 e^{ -4.268*3}

0.00274

~~~~~~~~~~~~~~~

4 = 1000 e^{ -4.268*t}

.004 =  e^{ -4.268*t}

ln(.004)/-4.268 = t

t = 1.29368 hrs

4 0
3 years ago
An art gallery is increasing the asking price of its paintings by 60%. A painting now costs $400.00. How much was the painting b
inn [45]

Answer:

$240

Step-by-step explanation:

60% = 0.6

400 divided by 0.6 = 240

6 0
2 years ago
The population P = P(t) of Helm, can be modeled by
MariettaO [177]

Answer:

A.) 0.0129 = k

B.) 2024

Step-by-step explanation:

A.)

267,000 = 250,300e^k5

267,000/250,300 = e^k5

1.0667 = e^k5

ln(1.0667) = lne^k5

ln(1.0667) = 5k

ln(1.0667)/5 = k

0.0129 = k

B.)

300,000 = 250,300^0.0129t

300,000/250,300 = e^0.0129t

1.1986 = e^0.0129t

ln(1.1986) = lne^0.0129t

ln(1.1986) = 0.0129t

ln(1.1986)/0.0129 = t

14.03 = t

so the year would be: 2024

7 0
3 years ago
X 2 + y 2 - 10x - 8y + 1 = 0
Inessa [10]
Center: <span><span>(5,4)</span><span>

</span></span>Radius: <span>2<span>√<span>10

Hope this helped☺☺</span></span></span>
7 0
3 years ago
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